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USGS Daily Statistics for Arizona

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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 09429100 COLORADO RIVER BELOW PALO VERDE DAM, AZ-CA


Riverside County, California
Hydrologic Unit Code 15030104
Latitude  33°43'08.89", Longitude 114°29'51.14" NAD83
Drainage area 182,200  square miles
Contributing drainage area 178,241  square miles
Gage datum 261.81 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1955-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 4,910 5,430 7,930 10,200 9,760 9,100 10,000 9,260 7,680 7,230 5,700 5,090
2 4,780 5,490 7,950 10,400 9,770 9,030 9,900 8,990 7,720 7,020 5,790 5,250
3 4,570 5,360 7,950 10,400 9,790 9,140 9,990 9,140 7,570 7,100 5,630 5,260
4 4,670 5,730 7,870 10,600 9,770 9,200 10,000 9,180 7,440 7,030 5,590 5,190
5 4,680 5,900 8,120 10,500 9,610 9,280 9,870 9,020 7,390 6,980 5,660 5,220
6 4,730 5,930 8,330 10,600 9,360 9,500 9,930 9,280 7,200 6,950 5,650 5,010
7 4,690 5,930 8,570 10,600 9,500 9,310 9,770 9,260 7,320 7,110 5,730 4,920
8 4,580 6,040 8,340 10,700 9,510 9,400 9,730 9,150 7,360 7,050 5,610 4,780
9 5,010 5,830 8,480 10,600 9,220 9,280 10,000 9,190 7,520 7,160 5,720 4,780
10 4,930 5,830 8,420 10,800 9,310 9,190 10,100 9,100 7,600 7,210 5,450 4,790
11 4,970 6,220 8,760 10,700 9,250 9,390 10,300 9,050 7,600 6,920 5,500 4,630
12 5,020 6,290 9,080 10,500 9,120 9,350 10,100 8,890 7,680 6,760 5,600 4,810
13 5,120 6,220 9,210 10,700 9,210 9,450 9,850 8,700 7,830 6,760 5,340 4,730
14 5,240 6,250 9,300 10,700 9,140 9,250 9,900 8,780 7,820 6,660 5,500 4,740
15 5,230 6,420 9,150 10,600 9,130 9,380 9,810 8,760 7,620 6,590 5,240 4,800
16 5,360 6,460 9,310 10,800 8,910 9,310 9,860 8,670 7,660 6,660 5,270 4,690
17 5,190 6,520 9,360 10,900 8,820 9,420 9,790 8,540 7,720 6,580 5,170 4,770
18 5,110 6,570 9,260 10,700 8,850 9,510 9,910 8,400 7,840 6,270 5,170 4,640
19 5,070 6,820 9,570 10,500 8,850 9,730 9,800 8,480 7,910 6,110 5,250 4,580
20 5,110 7,180 9,680 10,700 8,940 9,540 9,800 8,420 7,680 5,910 5,060 4,450
21 5,250 6,980 9,940 10,400 9,040 9,630 9,760 8,290 7,730 6,080 5,100 4,100
22 5,420 7,280 9,950 10,300 9,020 9,550 9,720 8,340 7,580 6,160 4,860 3,370
23 5,360 7,150 9,970 10,400 8,940 9,660 9,840 7,980 7,600 6,040 5,030 2,630
24 5,140 7,270 9,950 10,500 8,670 9,900 9,820 8,240 7,750 5,970 5,030 3,640
25 5,270 7,630 9,970 10,500 8,790 9,680 9,690 8,190 7,690 5,610 4,870 4,280
26 5,330 7,710 10,200 10,100 8,760 9,800 9,500 8,170 7,680 5,750 4,920 4,170
27 5,220 7,520 10,200 10,100 8,800 9,960 9,590 7,770 7,690 5,660 4,930 3,990
28 5,200 7,590 10,100 9,960 8,960 9,670 9,420 7,720 7,750 5,800 5,020 4,050
29 5,380 7,980 10,100 9,790 8,810 9,770 9,480 7,690 7,250 5,950 5,000 3,770
30 5,520   10,400 9,730 8,980 9,940 9,470 7,580 7,230 5,980 5,030 3,760
31 5,430   10,200   8,960   9,540 7,780   5,960   4,300